1 /*
2 * Copyright (c) 2019, Alliance for Open Media. All rights reserved.
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #include "config/aom_dsp_rtcd.h"
13
aom_get_blk_sse_sum_c(const int16_t * data,int stride,int bw,int bh,int * x_sum,int64_t * x2_sum)14 void aom_get_blk_sse_sum_c(const int16_t *data, int stride, int bw, int bh,
15 int *x_sum, int64_t *x2_sum) {
16 *x_sum = 0;
17 *x2_sum = 0;
18 for (int i = 0; i < bh; ++i) {
19 for (int j = 0; j < bw; ++j) {
20 const int val = data[j];
21 *x_sum += val;
22 *x2_sum += val * val;
23 }
24 data += stride;
25 }
26 }
27